243695907

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1997}}^1$

素因数の和:2172

約数の個数: 48

約数和(自身を含む): 436363200

約数和(自身を除く): 192667293

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 149, 273, 447, 819, 1043, 1341, 1937, 1997, 3129, 5811, 5991, 9387, 13559, 13979, 17433, 17973, 25961, 40677, 41937, 77883, 122031, 125811, 181727, 233649, 297553, 545181, 892659, 1635543, 2082871, 2677977, 3868189, 6248613, 11604567, 18745839, 27077323, 34813701, 81231969, 243695907]

約数ペア:

[(1, 243695907), (3, 81231969), (7, 34813701), (9, 27077323), (13, 18745839), (21, 11604567), (39, 6248613), (63, 3868189), (91, 2677977), (117, 2082871), (149, 1635543), (273, 892659), (447, 545181), (819, 297553), (1043, 233649), (1341, 181727), (1937, 125811), (1997, 122031), (3129, 77883), (5811, 41937), (5991, 40677), (9387, 25961), (13559, 17973), (13979, 17433)]